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M6.1 Depth: 10.0 km

M6.1 Earthquake near Alaska (United States)

UTC time: 2026-02-23 05:11:48 UTC Local time: —

About this earthquake

On February 23, 2026 at 05:11 UTC, a magnitude M6.1 earthquake occurred near Alaska (United States). The hypocenter lay relatively close to the surface at around 10 km, increasing how strongly it was felt. Earthquakes of this magnitude can cause significant damage in populated areas.

The data is provided by GFZ and cross-checked across seismological networks. United States: 186 earthquakes were recorded in the past 24 hours, the strongest reaching M5.8.

Details

Magnitude
M6.1
Depth
10.0 km
UTC time
2026-02-23 05:11:48 UTC
Local time
—
Country
United States
State
Alaska
City
Alaska
Source
gfz
Coordinates
52.63000, -170.14000
Temperature
5.2°C

Map

Depth profile

Depth profile Depth: 10 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10 km
Shallow
10 km
10 km — shallower than the regional average (15.8 km)
Regional average: 15.8 km
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

Volcanoes nearby

  • Herbert
    Distance: 13 km ·Stratovolcano ·Elevation: 1'280 m ·United States
  • Cleveland
    Distance: 25 km ·Stratovolcano ·Elevation: 1'730 m ·Last eruption: 2020 ·United States
  • Carlisle
    Distance: 30 km ·Stratovolcano ·Elevation: 1'620 m ·Last eruption: 1828 ·United States
  • Yunaska
    Distance: 33 km ·Shield ·Elevation: 550 m ·Last eruption: 1937 ·United States
  • Tana
    Distance: 33 km ·Stratovolcano(es) ·Elevation: 1'170 m ·United States
  • Kagamil
    Distance: 48 km ·Stratovolcano ·Elevation: 893 m ·Last eruption: 1929 ·United States

Subsequent earthquakes nearby

Events recorded after this earthquake within 250 km. They are not automatically classified as aftershocks.

First 6 hours7
First 24 hours10
First 72 hours17
Strongest subsequent eventM6.3
M6.32026-02-23 05:11:49 UTC35.9 kmAlaska M3.42026-02-23 05:24:14 UTC24.2 kmFOX ISLANDS, ALEUTIAN ISLANDS M4.22026-02-23 09:42:33 UTC38.3 kmFOX ISLANDS, ALEUTIAN ISLANDS M5.92026-02-23 10:02:06 UTC18.7 km88 km WSW of Nikolski, Alaska M5.42026-02-23 10:02:07 UTC29.2 km92 km SW of Nikolski, Alaska M5.92026-02-23 10:02:08 UTC21.7 kmFox Islands M4.42026-02-23 10:54:31 UTC78.2 kmFox Islands M3.92026-02-23 12:18:09 UTC249.3 kmFOX ISLANDS, ALEUTIAN ISLANDS M4.22026-02-23 21:11:06 UTC28.3 km88 km SW of Nikolski, Alaska M4.22026-02-23 21:11:08 UTC24.7 kmFOX ISLANDS, ALEUTIAN ISLANDS M4.42026-02-24 10:22:07 UTC10.0 kmAlaska M2.82026-02-24 18:00:48 UTC24.4 kmFOX ISLANDS, ALEUTIAN ISLANDS

Historical context nearby

Comparison with recorded earthquakes before this event within 250 km.

Magnitude rank#2
Earlier events M≥4106
Earlier events M≥551
Compared since2025-01-13

The QuakeMap24 comparison dataset begins on 2024-03-23. Earlier earthquakes may not be included.

Strongest earlier events

M6.22025-09-03 20:57:41 UTC209.5 km87 km SW of Nikolski, Alaska M6.02025-09-03 20:57:47 UTC45.5 km87 km SW of Nikolski, Alaska M5.92025-09-03 20:57:50 UTC61.5 kmFox Islands, Aleutian Islands, United States [Sea: United States] M5.82025-09-03 20:57:51 UTC54.2 kmFox Islands, Aleutian Islands M5.82025-09-03 20:57:52 UTC65.1 km96 km SSW of Nikolski, Alaska

Historic earthquake map · United States

Open history map
Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · United States

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

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